Servopump
[化] 伺服泵
🗣️ 情景例句
You can say he's more of a politician than a statesman.
你可以说他更像政客而不像政治家。
He that lives well is learned enough.
生活好者，博学多才。
But who will do all the house work?
但是这些家务活谁来做呢？